901188-62-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 901188-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,1,1,8 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 901188-62:
(8*9)+(7*0)+(6*1)+(5*1)+(4*8)+(3*8)+(2*6)+(1*2)=153
153 % 10 = 3
So 901188-62-3 is a valid CAS Registry Number.
901188-62-3Relevant articles and documents
Preparation of 3-(3′-,4′-Hydroxyphenyl)sydnones
Tien, Hsien-Ju,Yeh, Mou-Yung,Huang, Ded-Shih,Wu, Yi-Lung,Kuo, Wen-Fa,Chang, Wen-Kuen,Chang, Jing-Chyi
, p. 387 - 390 (1998)
3-(3′-,4′-Hydroxyphenyl)sydnones were prepared by dealkylation of 3-(3′-,4′-alkoxyphenyl)sydnones with concentrated sulfuric acid at room temperature in a range of 59 to 86% yield.